package jdbc0830;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class JDBCDemo5 {
    public static void main(String[] args) {
        try (Connection con=DBUtil.getConnection()){

            Statement statement=con.createStatement();
            String sql="SELECT t.name,t.salary,t.title,c.name,c.floor "+
                    "FROM teacher t "+
                    "JOIN class c ON t.id=c.teacher_id "+
                    "WHERE t.name='王克晶'";
            ResultSet rs=statement.executeQuery(sql);
            while(rs.next()){
                String tName=rs.getString("t.name");
                int tSalary=rs.getInt("t.salary");
                String tTitle= rs.getString("t.title");
                String cName=rs.getString("c.name");
                int cFloor= rs.getInt("c.floor");
                /*
                //也可以写下标
                String tName=rs.getString(1);
                int tSalary=rs.getInt(2);
                String tTitle= rs.getString(3);
                String cName=rs.getString(4);
                int cFloor= rs.getInt(5);
                 */
                System.out.println(tName+" "+tSalary+" "+tTitle+" "+cName+" "+cFloor);
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }

    }
}
